Frank Nash Westcott (August 8, 1858 - 1915) was a reverend and writer. He was born in Syracuse, New York. He wrote two novels. His father, Amos Westcott, was an influential professor, dentist, dental college founder, and politician who served as an alderman and mayor of Syracuse. Frank N. Westcott became an ordained minister and served at the St. James Protestant Episcopal Church in Skaneateles, New York. His brother Edward Noyes Westcott was a banker and writer who authored the popular novel David Harum.